38937520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 94101120

約数和(自身を除く): 55163600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 79, 80, 101, 122, 158, 202, 244, 305, 316, 395, 404, 488, 505, 610, 632, 790, 808, 976, 1010, 1220, 1264, 1580, 1616, 2020, 2440, 3160, 4040, 4819, 4880, 6161, 6320, 7979, 8080, 9638, 12322, 15958, 19276, 24095, 24644, 30805, 31916, 38552, 39895, 48190, 49288, 61610, 63832, 77104, 79790, 96380, 98576, 123220, 127664, 159580, 192760, 246440, 319160, 385520, 486719, 492880, 638320, 973438, 1946876, 2433595, 3893752, 4867190, 7787504, 9734380, 19468760, 38937520]

約数ペア:

[(1, 38937520), (2, 19468760), (4, 9734380), (5, 7787504), (8, 4867190), (10, 3893752), (16, 2433595), (20, 1946876), (40, 973438), (61, 638320), (79, 492880), (80, 486719), (101, 385520), (122, 319160), (158, 246440), (202, 192760), (244, 159580), (305, 127664), (316, 123220), (395, 98576), (404, 96380), (488, 79790), (505, 77104), (610, 63832), (632, 61610), (790, 49288), (808, 48190), (976, 39895), (1010, 38552), (1220, 31916), (1264, 30805), (1580, 24644), (1616, 24095), (2020, 19276), (2440, 15958), (3160, 12322), (4040, 9638), (4819, 8080), (4880, 7979), (6161, 6320)]